Stormwater and drainage

Christchurch's waterways have drainage, ecological, recreational, cultural, heritage and amenity values.

Wet weather and flooding

When to get in touch with us, how we respond and what you can do.

Flooding and floor levels

Flood modelling information, along with minimum floor levels for buildings.

Stormwater projects

The Land Drainage Recovery Programme aims to restore flood risk to pre-earthquake levels.

Stormwater policies and strategies

Policies and strategies relating to stormwater and drainage.

Stormwater and your property

Drainage plans, guidance and information about stormwater on private property.

Drainage plans for your property

Use our interactive map to see public utility pipelines and waterways.

Industrial stormwater

Apply for an industrial stormwater discharge licence.

Surface flooding reduction

Resolving surface flooding at sites that experience regular issues.


Related news

Tapping into Christchurch’s water testing lab

Christchurch has one of the last city Council water testing laboratories in the country, with technicians working 365 days a year to ensure the quality and safety of our water.

15 Oct 2025

Extra water storage for Banks Peninsula fire fighting

Three new water tanks will help fight fires in rural Banks Peninsula.

9 Oct 2025

Real-time water quality model launches for Banks Peninsula harbours

Canterbury Regional Council (Environment Canterbury) has developed a predictive model that will give swimmers and other harbour users real-time information about water quality at popular sites around Whakaraupō Lyttelton and Akaroa harbours.

23 Sep 2025

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